JP5608129B2 - Chair for desk type kotatsu set - Google Patents

Description

The present invention relates to a chair for a desk-type kotatsu set. More specifically, in a desk-type kotatsu equipped with an electric heater and a desk-type kotatsu set consisting of a chair, the desk that can adjust the height of the top plate of the desk-type kotatsu and the seat of the chair in coordination with each other The present invention relates to a chair constituting a kotatsu set.

  In recent years, kotatsu has also been diversified, and in addition to the commonly used table-type kotatsu with a short foot, a table-type kotatsu with a long foot has been put into practical use and widely used. As such a table-type or desk-type kotatsu having a long foot, for example, there is a kotatsu disclosed in Patent Document 1.

The “cold air shut-off kotatsu with a chair” described in Patent Document 1 is configured such that a single cylindrical shut-off band surrounding all front legs of a folding chair is detachably connected to the folding chair, and the tubular shut-off band is placed between the folding chairs. There is a structure in which at least one weight is detachably attached to one kotatsu at the upper part of the left and right of the center of the handed part, and even if the position and angle of the chair are slightly changed, there is no intrusion of cold in the kotatsu That's it.
This document also discloses a set of a long leg kotatsu and a chair and a set of a learning desk and a chair as another embodiment.

JP 2001-355857 A

The “cold air blocking kotatsu with chair” seems to be sufficiently useful to achieve the purpose of preventing the cold from entering the kotatsu even if the position and angle of the chair are slightly changed.
However, both the long leg kotatsu and chair kotatsu set and the learning desk and chair kotatsu set disclosed in Patent Document 1 are height adjustments, that is, the tabletop height is adjusted for the long leg kotatsu and the learning desk. And the chair is not designed to adjust the height of the seat.

  For this reason, for example, the height of the long leg kotatsu and the top of the learning desk can be adjusted according to the size of the user's body and the purpose of use. The user cannot make adjustments to make the kotatsu set easier to use, such as adjusting the height of the seat portion of the chair to suit.

The object of the present invention is to adjust the height of the table top of the desk type kotatsu and the seat portion of the chair in a desk type kotatsu set comprising an electric heater and a chair type kotatsu set. In other words, it is possible to provide a chair for a desk-type kotatsu set that can be made easier to use, for example, in accordance with the size of a user's body and the intended use.

Means taken by the present invention to solve the above problems are as follows.
(1) The present invention
A seat with a structure in which a cushion is attached to the upper surface of the substrate on which a backrest is formed on the back side;
A disc-shaped center base portion in which the seat portion is rotatably mounted in a horizontal direction via a rotary shaft support;
A gantry member formed in a cross shape and leg members fixed downward at four tip portions of the gantry member, and the middle pedestal portion is detachably attached to each horizontal portion of the gantry member A chair leg,
The seat and the middle base are removed from the chair legs, and the seat that can rotate the seat with the middle base as a base is a low rotating chair. The seat is fixed to the chair leg so that the seat becomes a swivel chair with a high leg.
It is a chair .

(2) The present invention
It has a leg member and a top plate, has a top plate height adjusting means for adjusting the height of the top plate, and does not hit the user's foot regardless of the change in the height of the top plate. A chair that constitutes a desk-type kotatsu set having a desk-type kotatsu with an electric heater inside, and a desk-type kotatsu and a chair as a set. There,
The chair includes a seat portion, a disc-shaped center base portion on which the seat portion is rotatably attached in a horizontal direction, and a chair leg portion on which the center base portion is detachable. This is a chair for a desk-type kotatsu set in which the height of the seat can be adjusted in coordination with the top plate of the desk-type kotatsu by attaching and detaching the base to and from the chair leg .

(3) The present invention
It has a leg member and a top plate, has a top plate height adjusting means for adjusting the height of the top plate, and does not hit the user's foot regardless of the change in the height of the top plate. A chair that constitutes a desk-type kotatsu set having a desk-type kotatsu with an electric heater inside, and a desk-type kotatsu and a chair as a set. There,
A seat with a structure in which a cushion is attached to the upper surface of the substrate on which a backrest is formed on the back side;
A disc-shaped center base portion in which the seat portion is rotatably mounted in a horizontal direction via a rotary shaft support;
A gantry member formed in a cross shape and leg members fixed downward at four tip portions of the gantry member, and the middle pedestal portion is detachably attached to each horizontal portion of the gantry member A chair leg,
The seat and the middle base are removed from the chair legs, and the seat that can rotate the seat with the middle base as a base is a low rotating chair. This is a chair for a desk-type kotatsu set in which the seat is fixed to the chair leg so that the seat becomes a swivel chair with a high leg .

(Delete)

  The term “desk type kotatsu” as used in the present invention includes, for example, an electric heater on a table (table) used for reading books and writing characters, or on a table (table or table) on which food or drink is placed. It includes the meaning of having a kotatsu function.

(Function)
The operation of the desk-type kotatsu set according to the present invention will be described. Here, the constituent elements used in the description are assigned in correspondence with the reference numerals given to the respective parts in the embodiments described later. These reference numerals are the same as the reference numerals described in the claims of the claims. Similarly, it is only for the purpose of facilitating understanding of the contents, and the meaning of each component is not limited to the above-described parts.

  The desk-type kotatsu set is composed of a desk-type kotatsu (1) and a chair (2), and the desk-type kotatsu (1) has a top plate height adjusting means (16, 16a, 161, 162, 163, 13, 13a, 131, 132, 133, 18) The height of the top plate (12) can be adjusted, and the chair (2) can adjust the height of the seat (20) by means of the seat height adjustment means (21, 22, 210, 270, 29) Can do.

  Thereby, the height of the top plate (12) of the desk-type kotatsu (1) and the seat (20) of the chair (2) can be adjusted in coordination with each other. Therefore, for example, it is possible to make the desk-type kotatsu set easier to use according to the size of the user's body, the intended use, and the like.

  The leg member (13, 13a, 16, 16a) is formed with a relief (100) that is notched so that the user's foot does not hit regardless of the height of the top plate (12). For example, when a user sitting on the chair (2) rotates the seat (20) to get in and out of the desk-type kotatsu (1), the knee etc. is passed through the relief (100). By doing so, the leg member (13, 13a, 16, 16a) of the desk-type kotatsu (1) does not hit or is difficult to hit, and there is an advantage that it is easy to use.

In the present invention, in a desk-type kotatsu set consisting of a desk equipped with an electric heater and a chair, the height of the top plate of the desk-type kotatsu and the seat of the chair can be adjusted in coordination with each other, for example, It is possible to provide a chair for a desk-type kotatsu set that can be made easier to use in accordance with the size of the user's body and the intended use.

The perspective explanatory view showing one embodiment of the desk type kotatsu set concerning the present invention. The exploded perspective view of the desk type kotatsu which constitutes the desk type kotatsu set concerning the present invention. The disassembled perspective view of the chair which comprises the desk type kotatsu set which concerns on this invention. (A) is an explanatory diagram when the top plate of the desk type kotatsu is in the high position, (b) is an explanatory diagram when the top plate of the desk type kotatsu is in the middle position, (c) ) Is an explanatory diagram when the top plate of the desk type kotatsu is in a low position.

Embodiment

The present invention will be described in detail based on the embodiments shown in the drawings.
Please refer to FIG. 1 to FIG.
As shown in FIG. 1, the desk-type kotatsu set A includes a desk-type kotatsu 1 and a chair 2 as a set.

As shown in FIG. 2, the desk-type kotatsu 1 includes a base part 10, an elevation adjustment part 11, and a top plate 12.
The base 10 has lower leg plates 13 and 13a arranged in parallel with each other in the vertical direction and at a necessary interval. The lower leg plates 13 and 13a have a shape having a cutout portion 130 in which an upper portion on the rear side (right side in FIG. 2) of a rectangular plate body is cut into an L shape with rounded corners. Stabilizing members 134 and 134a that are slightly longer from the lower edge to the rear side are attached to the lower edges of the lower leg plates 13 and 13a.

  The lower leg plates 13 and 13a are integrated with the above-mentioned interval by connecting a connecting member 14, which is a plate body having a required length, to the lower portion on the front side by screwing. In addition, screw holes (individual symbols are omitted) constituting fixing means are formed in the lower leg plates 13 and 13a, respectively. Specifically, a total of four screw holes, one on each of the two sides in the front-rear direction formed on the lower leg plates 13 and 13a, are set as one set. On the inner surfaces of the lower leg plates 13 and 13a, the screw hole sets 131, 132 and 133 are provided in three stages at a predetermined interval from the bottom to the top so as not to penetrate the outer surface.

  The elevating / lowering adjustment unit 11 has a rectangular middle plate 15 having a rectangular shape. An electric heater 150 is attached to the lower surface of the middle top plate 15. Upper leg plates 16 and 16a are fixed to both ends of the middle top plate 15 in the left-right width direction by screwing downward. The upper leg plates 16 and 16a are formed at right angles to the middle top plate 15 and parallel to each other. The interval between the upper leg plates 16 and 16a is set such that the outer surfaces of the upper leg plates 16 and 16a can slide in contact with the inner surfaces of the lower leg plates 13 and 13a.

  The upper leg plates 16 and 16a have a cutout portion 160 in which a lower portion on the rear side (right side in FIG. 2) of the rectangular plate body is cut into an L shape with rounded corners, and the cutout portion 160 on the front side on the opposite side. The shape has a relief portion 164 with a slightly narrow width in the front-rear direction. The escape portion 164 is a relief for preventing the upper leg plates 16 and 16a from hitting the connecting member 14 of the base portion 10 when the elevation adjusting portion 11 is lowered.

  The upper leg plates 16 and 16a are integrally reinforced by connecting the connecting member 17 which is a plate body having a required length to the upper part on the front side by screwing. Further, the upper leg plates 16 and 16a are formed with screw holes (individual symbols are omitted) constituting fixing means, respectively. Specifically, a total of four screw holes are formed as a set, two on each of the upper and lower sides of the upper leg plates 16 and 16a. The upper leg plates 16, 16a are provided with screw hole sets 161, 162, 163 in three stages at predetermined intervals from the bottom upward through the inner and outer surfaces.

  A set screw 151 is attached to the middle top plate 15 near both ends in the left-right width direction and substantially in the middle of the front-rear direction. Each set screw 151 has a rotary knob portion (reference number omitted) that protrudes from the lower surface side of the middle top plate 15, and a screw portion (reference number omitted) has a tip portion that protrudes from the upper surface side of the middle top plate 15. , Is held rotatably in the axial direction.

  The top plate 12 has a rectangular shape, is substantially the same as the middle top plate 15 in the front-rear width, and has a slightly wider left-right width. Screw holes 120 for screwing the set screw tools 151 are formed on the back side of the top plate 12 near both ends in the left-right width direction.

The desk-type kotatsu 1 is formed by assembling the base part 10, the elevation adjustment part 11 and the top plate 12.
First, the base 10 is set stationary, and the upper leg plates 16 and 16a of the elevating adjustment unit 11 are fitted inside the lower leg plates 13 and 13a of the base 10 and, for example, the lowermost screw hole set 161 of the upper leg plates 16 and 16a is set to the lower part. In accordance with the uppermost screw hole set 133 of the leg plates 13, 13 a, screws 18 as fixing means are screwed from the inner upper leg plates 16, 16 a side, and the elevation adjustment unit 11 is attached to the base unit 10. Next, the top plate 12 is attached to the middle top plate 15 with a set screw 151.

  In the assembled state, the top plate 12 is set to the highest “high position” (see FIG. 4A to be described later). The height can be adjusted in multiple stages. Specifically, when the screw hole set 161 of the upper leg plates 16 and 16a is aligned with the screw hole set 132 of the middle step portion of the lower leg plates 13 and 13a, the top plate 12 is set to the “middle position” of the middle step (see FIG. 4 (b)), if the screw hole set 162 of the upper leg plates 16 and 16a is aligned with the lower screw hole set 131 of the lower leg plates 13 and 13a, the top plate 12 is set to the lowest “low position”. (See FIG. 4C described later).

According to the arrangement of the screw hole sets, in addition to the above, for example, by aligning the middle screw hole set 162 of the upper leg plates 16 and 16a with the screw hole set 132 of the middle step of the lower leg plates 13 and 13a, It is also possible to adjust the plate 12 to a height slightly lower than the height of the “middle position”.
Moreover, the top plate 12 is used by being removed from the middle top plate 15 and placed on the top plate 15 in the use state where the kotatsu futon is used (FIG. 4 to be described later). reference).

As shown in FIG. 3, the chair 2 as a set with the desk-type kotatsu 1 is composed of a seat part 20, an intermediate base part 21, and chair leg parts 22.
The seat portion 20 has a structure in which a cushion 24 is attached to the upper surface of the substrate 23, and a backrest 25 is formed on the rear side (back side in FIG. 3) of the substrate 23. On the lower surface side of the substrate 23, a disc-shaped middle base portion 21 is rotatably attached via a rotary shaft support 26. The lower metal fitting 260 of the rotary shaft support 26 is fixed to the center of the middle base portion 21 with screws, and the upper metal fitting 261 that is rotatably attached to the lower metal fitting 260 is fixed to the lower surface of the substrate 23 with screws. Yes.

  The chair leg portion 22 is formed by a gantry member 27 formed in a cross shape, and leg members 28 fixed to the tip end portions of the four positions of the gantry member 27 so as to be slightly inclined outward and downward. Yes. Each of the four horizontal portions (reference numerals omitted) of the gantry member 27 is formed with through holes 270 penetrating in the vertical direction. The seat portion 20 and the middle base portion 21 having the above-described configuration are integrated with the chair leg portion 22 by screwing the screws 29 passed through the through holes 270 into the screw holes 210 formed at four positions on the bottom surface of the middle base portion 21. It has become.

Since the seat part 20 and the middle base part 21 have the said structure, it can be used as a rotation chair with the low seat part 20 which can rotate the seat part 20 by using the middle base part 21 as a base.
Moreover, the seat part 20 and the intermediate | middle base part 21 become a chair with a leg by fixing the intermediate | middle base part 21 to the chair leg part 22, and the seat part 20 can be used as a high rotation chair.

(Function)
The operation of the desk-type kotatsu set A will be described mainly with reference to FIG.
According to the desk-type kotatsu set A, first, as described above, the desk-type kotatsu 1 sets the height of the top plate 12 to “high position” (see FIG. 4A) and “middle position” (FIG. 4B). )) And “low position” (see FIG. 4C). The kotatsu futon 3 is hung on the middle top plate 15 of the desk-type kotatsu 1, and the top plate 12 is placed on the kotatsu futon 3.

As described above, the chair 2 has the seat 20 and the middle base 21 separated from the chair legs 22 to use the middle base 21 as a base (see FIG. 4C), the seat 20 and the middle base. The height of the seat 20 is set to “high position” and “low position” by using the chair 21 with the chair 21 integrated with the chair 21 (see FIGS. 4A and 4B). Can be adjusted in two stages.
In addition, when the chair 2 is used, a cool air blocking curtain 280 is attached so as to surround the four leg members 28, thereby preventing cold air from entering the desk-type kotatsu 1 through the space between the leg members 28. .

  As a result, as shown in FIG. 4 (a), by adjusting the height of both the top plate 12 of the desk-type kotatsu 1 and the seat 20 of the chair 2 to the “high position”, it is used by general adults. Easy setting. Moreover, as shown in FIG.4 (b), by adjusting the height of the top plate 12 of the desk-type kotatsu 1 to the "middle position" and adjusting the height of the seat portion 20 of the chair 2 to the "high position", The setting can be easily used by children. Furthermore, as shown in FIG. 4C, the height of the top 12 of the desk-type kotatsu 1 is set to the “low position”, and the height of the seat portion 20 of the chair 2 is adjusted to the “low position”. It can be set to be easy for elderly people to use.

  (1) When the height of both the top plate 12 of the desk-type kotatsu 1 and the seat 20 of the chair 2 is adjusted to “high position”, (2) the height of the top plate 12 of the desk-type kotatsu 1 Is set to “middle position”, the height of the seat 20 of the chair 2 is set to “high position”, and (3) the height of the top 12 of the desk-type kotatsu 1 is set to “low position”. In each type when the height of the seat portion 20 is set to “low position”, as shown in FIGS. 4 (a), 4 (b), and 4 (c), the lower leg plates 13 and 13a are cut out. The relief portion 100 is formed by the portion 130 and the cutout portion 160 of the upper leg plates 16 and 16a.

  Thus, even if the top plate 12 of the desk-type kotatsu 1 is moved up and down and adjusted at the “high position”, “middle position”, and “low position”, the length in the vertical direction is different at each position, but the escape portion 100 is formed. Therefore, for example, when a user sitting on the chair 2 rotates the seat portion 20 to enter or leave the desk-type kotatsu 1, the knee or the like is passed through the escape portion 100, so that the desk-type kotatsu 1 The lower leg plates 13, 13a and the upper leg plates 16, 16a do not hit or become difficult to hit, and there is an advantage that they are easy to use.

  Thus, according to the desk-type kotatsu set A, the height of the top plate 12 of the desk-type kotatsu 1 and the seat 20 of the chair 2 can be adjusted in coordination with each other. It can be set to be easier to use according to the size of the person's body, the intended use, and the like.

  Note that the terms and expressions used in this specification are merely explanatory and are not limiting at all, and terms and expressions equivalent to the features described in this specification and parts thereof. There is no intention to exclude. Further, it goes without saying that various modifications are possible within the scope of the technical idea of the present invention.

A Desk type kotatsu set 1 Desk type kotatsu 10 Base part 100 Escape part 11 Lifting adjustment part 12 Top plate 120 Screw hole 13, 13a Lower leg plate 130 Notch part 131 Screw hole set 132 Screw hole set 133 Screw hole set 134 Stabilizing member 14 Connection Member 15 Middle top plate 150 Electric heater 151 Screw tool 16, 16a Upper leg plate 160 Notch portion 161 Screw hole set 162 Screw hole set 163 Screw hole set 164 Escape portion 17 Connecting member 18 Screw 2 Chair 20 Seat portion 21 Middle stand portion 210 Screw Hole 22 Chair leg 23 Substrate 24 Cushion 25 Backrest 26 Rotating shaft support 260 Lower bracket 261 Upper bracket 27 Mounting member 270 Through-hole 28 Leg member 280 Cold air shutoff curtain 29 Screw 3 Kotatsu futon

Claims (3)

A seat with a structure in which a cushion is attached to the upper surface of the substrate on which a backrest is formed on the back side;
A disc-shaped center base portion in which the seat portion is rotatably mounted in a horizontal direction via a rotary shaft support;
A gantry member formed in a cross shape and leg members fixed downward at four tip portions of the gantry member, and the middle pedestal portion is detachably attached to each horizontal portion of the gantry member A chair leg,
The seat and the middle base are removed from the chair legs, and the seat that can rotate the seat with the middle base as a base is a low rotating chair. The seat is fixed to the chair leg so that the seat becomes a swivel chair with a high leg.
Chair . It has a leg member and a top plate, has a top plate height adjusting means for adjusting the height of the top plate, and does not hit the user's foot regardless of the change in the height of the top plate. A chair that constitutes a desk-type kotatsu set having a desk-type kotatsu with an electric heater inside, and a desk-type kotatsu and a chair as a set. There,
The chair includes a seat portion, a disc-shaped center base portion on which the seat portion is rotatably attached in a horizontal direction, and a chair leg portion on which the center base portion is detachable. A chair for a desk-type kotatsu set in which the height of the seat can be adjusted in coordination with the top plate of the desk-type kotatsu by attaching and detaching the base to the chair leg . It has a leg member and a top plate, has a top plate height adjusting means for adjusting the height of the top plate, and does not hit the user's foot regardless of the change in the height of the top plate. A chair that constitutes a desk-type kotatsu set having a desk-type kotatsu with an electric heater inside, and a desk-type kotatsu and a chair as a set. There,
A seat with a structure in which a cushion is attached to the upper surface of the substrate on which a backrest is formed on the back side;
A disc-shaped center base portion in which the seat portion is rotatably mounted in a horizontal direction via a rotary shaft support;
A gantry member formed in a cross shape and leg members fixed downward at four tip portions of the gantry member, and the middle pedestal portion is detachably attached to each horizontal portion of the gantry member A chair leg,
The seat and the middle base are removed from the chair legs, and the seat that can rotate the seat with the middle base as a base is a low rotating chair. A chair for a desk-type kotatsu set in which the seat is fixed to the chair leg so that the seat becomes a swivel chair with a high leg .

Images